https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118396
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jason at gcc dot gnu.org
--- Comment #11 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
One idea would be to only fold simple TARGET_EXPR's initializer:
--- a/gcc/cp/cp-gimplify.cc
+++ b/gcc/cp/cp-gimplify.cc
@@ -1475,7 +1475,7 @@ cp_fold_r (tree *stmt_p, int *walk_subtrees, void *data_)
cp_walk_tree (&init, cp_fold_r, data, NULL);
cp_walk_tree (&TARGET_EXPR_CLEANUP (stmt), cp_fold_r, data, NULL);
*walk_subtrees = 0;
- if (!flag_no_inline)
+ if (!flag_no_inline && !VOID_TYPE_P (TREE_TYPE (init)))
{
tree folded = maybe_constant_init (init, TARGET_EXPR_SLOT (stmt));
if (folded != init && TREE_CONSTANT (folded))
but maybe we also need an assert in cxx_eval_outermost_constant_expr checking
that if there's an object, we don't fold away all the initializing bits?
